mirror of
https://github.com/denoland/deno.git
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1547 lines
50 KiB
JavaScript
1547 lines
50 KiB
JavaScript
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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"use strict";
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((window) => {
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const core = window.Deno.core;
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const { setExitHandler } = window.__bootstrap.os;
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const { Console, inspectArgs } = window.__bootstrap.console;
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const { serializePermissions } = window.__bootstrap.permissions;
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const { assert } = window.__bootstrap.infra;
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const {
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AggregateErrorPrototype,
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ArrayFrom,
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ArrayPrototypeFilter,
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ArrayPrototypeJoin,
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ArrayPrototypeMap,
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ArrayPrototypePush,
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ArrayPrototypeShift,
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ArrayPrototypeSome,
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ArrayPrototypeSort,
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DateNow,
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Error,
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FunctionPrototype,
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Map,
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MapPrototypeHas,
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MathCeil,
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ObjectKeys,
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ObjectPrototypeIsPrototypeOf,
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Promise,
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RegExp,
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RegExpPrototypeTest,
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SafeArrayIterator,
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Set,
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StringPrototypeEndsWith,
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StringPrototypeIncludes,
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StringPrototypeSlice,
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StringPrototypeStartsWith,
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SymbolToStringTag,
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TypeError,
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} = window.__bootstrap.primordials;
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const opSanitizerDelayResolveQueue = [];
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// Even if every resource is closed by the end of a test, there can be a delay
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// until the pending ops have all finished. This function returns a promise
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// that resolves when it's (probably) fine to run the op sanitizer.
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//
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// This is implemented by adding a macrotask callback that runs after the
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// timer macrotasks, so we can guarantee that a currently running interval
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// will have an associated op. An additional `setTimeout` of 0 is needed
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// before that, though, in order to give time for worker message ops to finish
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// (since timeouts of 0 don't queue tasks in the timer queue immediately).
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function opSanitizerDelay() {
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return new Promise((resolve) => {
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setTimeout(() => {
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ArrayPrototypePush(opSanitizerDelayResolveQueue, resolve);
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}, 0);
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});
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}
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function handleOpSanitizerDelayMacrotask() {
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ArrayPrototypeShift(opSanitizerDelayResolveQueue)?.();
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return opSanitizerDelayResolveQueue.length === 0;
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}
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// An async operation to $0 was started in this test, but never completed. This is often caused by not $1.
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// An async operation to $0 was started in this test, but never completed. Async operations should not complete in a test if they were not started in that test.
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// deno-fmt-ignore
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const OP_DETAILS = {
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"op_blob_read_part": ["read from a Blob or File", "awaiting the result of a Blob or File read"],
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"op_broadcast_recv": ["receive a message from a BroadcastChannel", "closing the BroadcastChannel"],
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"op_broadcast_send": ["send a message to a BroadcastChannel", "closing the BroadcastChannel"],
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"op_chmod_async": ["change the permissions of a file", "awaiting the result of a `Deno.chmod` call"],
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"op_chown_async": ["change the owner of a file", "awaiting the result of a `Deno.chown` call"],
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"op_copy_file_async": ["copy a file", "awaiting the result of a `Deno.copyFile` call"],
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"op_crypto_decrypt": ["decrypt data", "awaiting the result of a `crypto.subtle.decrypt` call"],
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"op_crypto_derive_bits": ["derive bits from a key", "awaiting the result of a `crypto.subtle.deriveBits` call"],
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"op_crypto_encrypt": ["encrypt data", "awaiting the result of a `crypto.subtle.encrypt` call"],
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"op_crypto_generate_key": ["generate a key", "awaiting the result of a `crypto.subtle.generateKey` call"],
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"op_crypto_sign_key": ["sign data", "awaiting the result of a `crypto.subtle.sign` call"],
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"op_crypto_subtle_digest": ["digest data", "awaiting the result of a `crypto.subtle.digest` call"],
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"op_crypto_verify_key": ["verify data", "awaiting the result of a `crypto.subtle.verify` call"],
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"op_dgram_recv": ["receive a datagram message", "awaiting the result of `Deno.DatagramConn#receive` call, or not breaking out of a for await loop looping over a `Deno.DatagramConn`"],
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"op_dgram_send": ["send a datagram message", "awaiting the result of `Deno.DatagramConn#send` call"],
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"op_dns_resolve": ["resolve a DNS name", "awaiting the result of a `Deno.resolveDns` call"],
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"op_emit": ["transpile code", "awaiting the result of a `Deno.emit` call"],
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"op_fdatasync_async": ["flush pending data operations for a file to disk", "awaiting the result of a `Deno.fdatasync` call"],
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"op_fetch_send": ["send a HTTP request", "awaiting the result of a `fetch` call"],
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"op_ffi_call_nonblocking": ["do a non blocking ffi call", "awaiting the returned promise"] ,
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"op_ffi_call_ptr_nonblocking": ["do a non blocking ffi call", "awaiting the returned promise"],
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"op_flock_async": ["lock a file", "awaiting the result of a `Deno.flock` call"],
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"op_fs_events_poll": ["get the next file system event", "breaking out of a for await loop looping over `Deno.FsEvents`"],
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"op_fstat_async": ["get file metadata", "awaiting the result of a `Deno.File#fstat` call"],
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"op_fsync_async": ["flush pending data operations for a file to disk", "awaiting the result of a `Deno.fsync` call"],
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"op_ftruncate_async": ["truncate a file", "awaiting the result of a `Deno.ftruncate` call"],
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"op_funlock_async": ["unlock a file", "awaiting the result of a `Deno.funlock` call"],
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"op_futime_async": ["change file timestamps", "awaiting the result of a `Deno.futime` call"],
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"op_http_accept": ["accept a HTTP request", "closing a `Deno.HttpConn`"],
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"op_http_read": ["read the body of a HTTP request", "consuming the entire request body"],
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"op_http_shutdown": ["shutdown a HTTP connection", "awaiting `Deno.HttpEvent#respondWith`"],
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"op_http_upgrade_websocket": ["upgrade a HTTP connection to a WebSocket", "awaiting `Deno.HttpEvent#respondWith`"],
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"op_http_write_headers": ["write HTTP response headers", "awaiting `Deno.HttpEvent#respondWith`"],
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"op_http_write": ["write HTTP response body", "awaiting `Deno.HttpEvent#respondWith`"],
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"op_link_async": ["create a hard link", "awaiting the result of a `Deno.link` call"],
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"op_make_temp_dir_async": ["create a temporary directory", "awaiting the result of a `Deno.makeTempDir` call"],
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"op_make_temp_file_async": ["create a temporary file", "awaiting the result of a `Deno.makeTempFile` call"],
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"op_message_port_recv_message": ["receive a message from a MessagePort", "awaiting the result of not closing a `MessagePort`"],
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"op_mkdir_async": ["create a directory", "awaiting the result of a `Deno.mkdir` call"],
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"op_net_accept": ["accept a TCP connection", "closing a `Deno.Listener`"],
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"op_net_connect": ["connect to a TCP or UDP server", "awaiting a `Deno.connect` call"],
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"op_open_async": ["open a file", "awaiting the result of a `Deno.open` call"],
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"op_read_dir_async": ["read a directory", "collecting all items in the async iterable returned from a `Deno.readDir` call"],
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"op_read_link_async": ["read a symlink", "awaiting the result of a `Deno.readLink` call"],
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"op_realpath_async": ["resolve a path", "awaiting the result of a `Deno.realpath` call"],
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"op_remove_async": ["remove a file or directory", "awaiting the result of a `Deno.remove` call"],
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"op_rename_async": ["rename a file or directory", "awaiting the result of a `Deno.rename` call"],
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"op_run_status": ["get the status of a subprocess", "awaiting the result of a `Deno.Process#status` call"],
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"op_seek_async": ["seek in a file", "awaiting the result of a `Deno.File#seek` call"],
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"op_signal_poll": ["get the next signal", "un-registering a OS signal handler"],
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"op_sleep": ["sleep for a duration", "cancelling a `setTimeout` or `setInterval` call"],
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"op_stat_async": ["get file metadata", "awaiting the result of a `Deno.stat` call"],
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"op_symlink_async": ["create a symlink", "awaiting the result of a `Deno.symlink` call"],
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"op_tls_accept": ["accept a TLS connection", "closing a `Deno.TlsListener`"],
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"op_tls_connect": ["connect to a TLS server", "awaiting a `Deno.connectTls` call"],
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"op_tls_handshake": ["perform a TLS handshake", "awaiting a `Deno.TlsConn#handshake` call"],
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"op_tls_start": ["start a TLS connection", "awaiting a `Deno.startTls` call"],
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"op_truncate_async": ["truncate a file", "awaiting the result of a `Deno.truncate` call"],
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"op_utime_async": ["change file timestamps", "awaiting the result of a `Deno.utime` call"],
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"op_webgpu_buffer_get_map_async": ["map a WebGPU buffer", "awaiting the result of a `GPUBuffer#mapAsync` call"],
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"op_webgpu_request_adapter": ["request a WebGPU adapter", "awaiting the result of a `navigator.gpu.requestAdapter` call"],
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"op_webgpu_request_device": ["request a WebGPU device", "awaiting the result of a `GPUAdapter#requestDevice` call"],
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"op_worker_recv_message": ["receive a message from a web worker", "terminating a `Worker`"],
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"op_ws_close": ["close a WebSocket", "awaiting until the `close` event is emitted on a `WebSocket`, or the `WebSocketStream#closed` promise resolves"],
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"op_ws_create": ["create a WebSocket", "awaiting until the `open` event is emitted on a `WebSocket`, or the result of a `WebSocketStream#connection` promise"],
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"op_ws_next_event": ["receive the next message on a WebSocket", "closing a `WebSocket` or `WebSocketStream`"],
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"op_ws_send": ["send a message on a WebSocket", "closing a `WebSocket` or `WebSocketStream`"],
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};
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// Wrap test function in additional assertion that makes sure
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// the test case does not leak async "ops" - ie. number of async
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// completed ops after the test is the same as number of dispatched
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// ops. Note that "unref" ops are ignored since in nature that are
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// optional.
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function assertOps(fn) {
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/** @param step {TestStep} */
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return async function asyncOpSanitizer(step) {
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const pre = core.metrics();
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const preTraces = new Map(core.opCallTraces);
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try {
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await fn(step);
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} finally {
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// Defer until next event loop turn - that way timeouts and intervals
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// cleared can actually be removed from resource table, otherwise
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// false positives may occur (https://github.com/denoland/deno/issues/4591)
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await opSanitizerDelay();
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}
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if (step.shouldSkipSanitizers) return;
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const post = core.metrics();
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const postTraces = new Map(core.opCallTraces);
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// We're checking diff because one might spawn HTTP server in the background
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// that will be a pending async op before test starts.
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const dispatchedDiff = post.opsDispatchedAsync - pre.opsDispatchedAsync;
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const completedDiff = post.opsCompletedAsync - pre.opsCompletedAsync;
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if (dispatchedDiff === completedDiff) return;
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const details = [];
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for (const key in post.ops) {
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const preOp = pre.ops[key] ??
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{ opsDispatchedAsync: 0, opsCompletedAsync: 0 };
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const postOp = post.ops[key];
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const dispatchedDiff = postOp.opsDispatchedAsync -
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preOp.opsDispatchedAsync;
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const completedDiff = postOp.opsCompletedAsync -
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preOp.opsCompletedAsync;
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if (dispatchedDiff > completedDiff) {
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const [name, hint] = OP_DETAILS[key] || [key, null];
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const count = dispatchedDiff - completedDiff;
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let message = `${count} async operation${
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count === 1 ? "" : "s"
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} to ${name} ${
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count === 1 ? "was" : "were"
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} started in this test, but never completed.`;
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if (hint) {
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message += ` This is often caused by not ${hint}.`;
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}
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const traces = [];
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for (const [id, { opName, stack }] of postTraces) {
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if (opName !== key) continue;
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if (MapPrototypeHas(preTraces, id)) continue;
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ArrayPrototypePush(traces, stack);
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}
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if (traces.length === 1) {
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message += " The operation was started here:\n";
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message += traces[0];
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} else if (traces.length > 1) {
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message += " The operations were started here:\n";
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message += ArrayPrototypeJoin(traces, "\n\n");
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}
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ArrayPrototypePush(details, message);
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} else if (dispatchedDiff < completedDiff) {
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const [name, hint] = OP_DETAILS[key] || [key, null];
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const count = completedDiff - dispatchedDiff;
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ArrayPrototypePush(
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details,
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`${count} async operation${count === 1 ? "" : "s"} to ${name} ${
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count === 1 ? "was" : "were"
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} started before this test, but ${
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count === 1 ? "was" : "were"
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} completed during the test. Async operations should not complete in a test if they were not started in that test.
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${hint ? `This is often caused by not ${hint}.` : ""}`,
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);
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}
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}
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let msg = `Test case is leaking async ops.
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- ${ArrayPrototypeJoin(details, "\n - ")}`;
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if (!core.isOpCallTracingEnabled()) {
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msg +=
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`\n\nTo get more details where ops were leaked, run again with --trace-ops flag.`;
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}
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throw msg;
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};
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}
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function prettyResourceNames(name) {
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switch (name) {
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case "fsFile":
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return ["A file", "opened", "closed"];
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case "fetchRequest":
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return ["A fetch request", "started", "finished"];
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case "fetchRequestBody":
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return ["A fetch request body", "created", "closed"];
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case "fetchResponseBody":
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return ["A fetch response body", "created", "consumed"];
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case "httpClient":
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return ["An HTTP client", "created", "closed"];
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case "dynamicLibrary":
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return ["A dynamic library", "loaded", "unloaded"];
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case "httpConn":
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return ["An inbound HTTP connection", "accepted", "closed"];
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case "httpStream":
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return ["An inbound HTTP request", "accepted", "closed"];
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case "tcpStream":
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return ["A TCP connection", "opened/accepted", "closed"];
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case "unixStream":
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return ["A Unix connection", "opened/accepted", "closed"];
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case "tlsStream":
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return ["A TLS connection", "opened/accepted", "closed"];
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case "tlsListener":
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return ["A TLS listener", "opened", "closed"];
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case "unixListener":
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return ["A Unix listener", "opened", "closed"];
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case "unixDatagram":
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return ["A Unix datagram", "opened", "closed"];
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case "tcpListener":
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return ["A TCP listener", "opened", "closed"];
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case "udpSocket":
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return ["A UDP socket", "opened", "closed"];
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case "timer":
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return ["A timer", "started", "fired/cleared"];
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case "textDecoder":
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return ["A text decoder", "created", "finsihed"];
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case "messagePort":
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return ["A message port", "created", "closed"];
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case "webSocketStream":
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return ["A WebSocket", "opened", "closed"];
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case "fsEvents":
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return ["A file system watcher", "created", "closed"];
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case "childStdin":
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return ["A child process stdin", "opened", "closed"];
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case "childStdout":
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return ["A child process stdout", "opened", "closed"];
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case "childStderr":
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return ["A child process stderr", "opened", "closed"];
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case "child":
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return ["A child process", "started", "closed"];
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case "signal":
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return ["A signal listener", "created", "fired/cleared"];
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case "stdin":
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return ["The stdin pipe", "opened", "closed"];
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case "stdout":
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return ["The stdout pipe", "opened", "closed"];
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case "stderr":
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return ["The stderr pipe", "opened", "closed"];
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case "compression":
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return ["A CompressionStream", "created", "closed"];
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default:
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return [`A "${name}" resource`, "created", "cleaned up"];
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}
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}
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function resourceCloseHint(name) {
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switch (name) {
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case "fsFile":
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return "Close the file handle by calling `file.close()`.";
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case "fetchRequest":
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return "Await the promise returned from `fetch()` or abort the fetch with an abort signal.";
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case "fetchRequestBody":
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return "Terminate the request body `ReadableStream` by closing or erroring it.";
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case "fetchResponseBody":
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return "Consume or close the response body `ReadableStream`, e.g `await resp.text()` or `await resp.body.cancel()`.";
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case "httpClient":
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return "Close the HTTP client by calling `httpClient.close()`.";
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case "dynamicLibrary":
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return "Unload the dynamic library by calling `dynamicLibrary.close()`.";
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case "httpConn":
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return "Close the inbound HTTP connection by calling `httpConn.close()`.";
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case "httpStream":
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return "Close the inbound HTTP request by responding with `e.respondWith().` or closing the HTTP connection.";
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case "tcpStream":
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return "Close the TCP connection by calling `tcpConn.close()`.";
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case "unixStream":
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return "Close the Unix socket connection by calling `unixConn.close()`.";
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case "tlsStream":
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return "Close the TLS connection by calling `tlsConn.close()`.";
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case "tlsListener":
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return "Close the TLS listener by calling `tlsListener.close()`.";
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case "unixListener":
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return "Close the Unix socket listener by calling `unixListener.close()`.";
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case "unixDatagram":
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return "Close the Unix datagram socket by calling `unixDatagram.close()`.";
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case "tcpListener":
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return "Close the TCP listener by calling `tcpListener.close()`.";
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case "udpSocket":
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return "Close the UDP socket by calling `udpSocket.close()`.";
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case "timer":
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return "Clear the timer by calling `clearInterval` or `clearTimeout`.";
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case "textDecoder":
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return "Close the text decoder by calling `textDecoder.decode('')` or `await textDecoderStream.readable.cancel()`.";
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case "messagePort":
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return "Close the message port by calling `messagePort.close()`.";
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case "webSocketStream":
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return "Close the WebSocket by calling `webSocket.close()`.";
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case "fsEvents":
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return "Close the file system watcher by calling `watcher.close()`.";
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case "childStdin":
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return "Close the child process stdin by calling `proc.stdin.close()`.";
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case "childStdout":
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return "Close the child process stdout by calling `proc.stdout.close()`.";
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case "childStderr":
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return "Close the child process stderr by calling `proc.stderr.close()`.";
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case "child":
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return "Close the child process by calling `proc.kill()` or `proc.close()`.";
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case "signal":
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return "Clear the signal listener by calling `Deno.removeSignalListener`.";
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case "stdin":
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return "Close the stdin pipe by calling `Deno.stdin.close()`.";
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case "stdout":
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return "Close the stdout pipe by calling `Deno.stdout.close()`.";
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case "stderr":
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return "Close the stderr pipe by calling `Deno.stderr.close()`.";
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case "compression":
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return "Close the compression stream by calling `await stream.writable.close()`.";
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default:
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return "Close the resource before the end of the test.";
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}
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}
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// Wrap test function in additional assertion that makes sure
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// the test case does not "leak" resources - ie. resource table after
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// the test has exactly the same contents as before the test.
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function assertResources(
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fn,
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) {
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/** @param step {TestStep} */
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return async function resourceSanitizer(step) {
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const pre = core.resources();
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await fn(step);
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if (step.shouldSkipSanitizers) {
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return;
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}
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const post = core.resources();
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const allResources = new Set([
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...new SafeArrayIterator(ObjectKeys(pre)),
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...new SafeArrayIterator(ObjectKeys(post)),
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]);
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const details = [];
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for (const resource of allResources) {
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const preResource = pre[resource];
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const postResource = post[resource];
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if (preResource === postResource) continue;
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if (preResource === undefined) {
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const [name, action1, action2] = prettyResourceNames(postResource);
|
|
const hint = resourceCloseHint(postResource);
|
|
const detail =
|
|
`${name} (rid ${resource}) was ${action1} during the test, but not ${action2} during the test. ${hint}`;
|
|
details.push(detail);
|
|
} else {
|
|
const [name, action1, action2] = prettyResourceNames(preResource);
|
|
const detail =
|
|
`${name} (rid ${resource}) was ${action1} before the test started, but was ${action2} during the test. Do not close resources in a test that were not created during that test.`;
|
|
details.push(detail);
|
|
}
|
|
}
|
|
|
|
const message = `Test case is leaking ${details.length} resource${
|
|
details.length === 1 ? "" : "s"
|
|
}:
|
|
|
|
- ${details.join("\n - ")}
|
|
`;
|
|
assert(details.length === 0, message);
|
|
};
|
|
}
|
|
|
|
// Wrap test function in additional assertion that makes sure
|
|
// that the test case does not accidentally exit prematurely.
|
|
function assertExit(fn, isTest) {
|
|
return async function exitSanitizer(...params) {
|
|
setExitHandler((exitCode) => {
|
|
assert(
|
|
false,
|
|
`${
|
|
isTest ? "Test case" : "Bench"
|
|
} attempted to exit with exit code: ${exitCode}`,
|
|
);
|
|
});
|
|
|
|
try {
|
|
await fn(...new SafeArrayIterator(params));
|
|
} catch (err) {
|
|
throw err;
|
|
} finally {
|
|
setExitHandler(null);
|
|
}
|
|
};
|
|
}
|
|
|
|
function assertTestStepScopes(fn) {
|
|
/** @param step {TestStep} */
|
|
return async function testStepSanitizer(step) {
|
|
preValidation();
|
|
// only report waiting after pre-validation
|
|
if (step.canStreamReporting()) {
|
|
step.reportWait();
|
|
}
|
|
await fn(createTestContext(step));
|
|
postValidation();
|
|
|
|
function preValidation() {
|
|
const runningSteps = getPotentialConflictingRunningSteps();
|
|
const runningStepsWithSanitizers = ArrayPrototypeFilter(
|
|
runningSteps,
|
|
(t) => t.usesSanitizer,
|
|
);
|
|
|
|
if (runningStepsWithSanitizers.length > 0) {
|
|
throw new Error(
|
|
"Cannot start test step while another test step with sanitizers is running.\n" +
|
|
runningStepsWithSanitizers
|
|
.map((s) => ` * ${s.getFullName()}`)
|
|
.join("\n"),
|
|
);
|
|
}
|
|
|
|
if (step.usesSanitizer && runningSteps.length > 0) {
|
|
throw new Error(
|
|
"Cannot start test step with sanitizers while another test step is running.\n" +
|
|
runningSteps.map((s) => ` * ${s.getFullName()}`).join("\n"),
|
|
);
|
|
}
|
|
|
|
function getPotentialConflictingRunningSteps() {
|
|
/** @type {TestStep[]} */
|
|
const results = [];
|
|
|
|
let childStep = step;
|
|
for (const ancestor of step.ancestors()) {
|
|
for (const siblingStep of ancestor.children) {
|
|
if (siblingStep === childStep) {
|
|
continue;
|
|
}
|
|
if (!siblingStep.finalized) {
|
|
ArrayPrototypePush(results, siblingStep);
|
|
}
|
|
}
|
|
childStep = ancestor;
|
|
}
|
|
return results;
|
|
}
|
|
}
|
|
|
|
function postValidation() {
|
|
// check for any running steps
|
|
if (step.hasRunningChildren) {
|
|
throw new Error(
|
|
"There were still test steps running after the current scope finished execution. " +
|
|
"Ensure all steps are awaited (ex. `await t.step(...)`).",
|
|
);
|
|
}
|
|
|
|
// check if an ancestor already completed
|
|
for (const ancestor of step.ancestors()) {
|
|
if (ancestor.finalized) {
|
|
throw new Error(
|
|
"Parent scope completed before test step finished execution. " +
|
|
"Ensure all steps are awaited (ex. `await t.step(...)`).",
|
|
);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
function pledgePermissions(permissions) {
|
|
return core.opSync(
|
|
"op_pledge_test_permissions",
|
|
serializePermissions(permissions),
|
|
);
|
|
}
|
|
|
|
function restorePermissions(token) {
|
|
core.opSync("op_restore_test_permissions", token);
|
|
}
|
|
|
|
function withPermissions(fn, permissions) {
|
|
return async function applyPermissions(...params) {
|
|
const token = pledgePermissions(permissions);
|
|
|
|
try {
|
|
await fn(...new SafeArrayIterator(params));
|
|
} finally {
|
|
restorePermissions(token);
|
|
}
|
|
};
|
|
}
|
|
|
|
const tests = [];
|
|
const benches = [];
|
|
|
|
// Main test function provided by Deno.
|
|
function test(
|
|
nameOrFnOrOptions,
|
|
optionsOrFn,
|
|
maybeFn,
|
|
) {
|
|
let testDef;
|
|
const defaults = {
|
|
ignore: false,
|
|
only: false,
|
|
sanitizeOps: true,
|
|
sanitizeResources: true,
|
|
sanitizeExit: true,
|
|
permissions: null,
|
|
};
|
|
|
|
if (typeof nameOrFnOrOptions === "string") {
|
|
if (!nameOrFnOrOptions) {
|
|
throw new TypeError("The test name can't be empty");
|
|
}
|
|
if (typeof optionsOrFn === "function") {
|
|
testDef = { fn: optionsOrFn, name: nameOrFnOrOptions, ...defaults };
|
|
} else {
|
|
if (!maybeFn || typeof maybeFn !== "function") {
|
|
throw new TypeError("Missing test function");
|
|
}
|
|
if (optionsOrFn.fn != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'fn' field in options, test function is already provided as the third argument.",
|
|
);
|
|
}
|
|
if (optionsOrFn.name != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'name' field in options, test name is already provided as the first argument.",
|
|
);
|
|
}
|
|
testDef = {
|
|
...defaults,
|
|
...optionsOrFn,
|
|
fn: maybeFn,
|
|
name: nameOrFnOrOptions,
|
|
};
|
|
}
|
|
} else if (typeof nameOrFnOrOptions === "function") {
|
|
if (!nameOrFnOrOptions.name) {
|
|
throw new TypeError("The test function must have a name");
|
|
}
|
|
if (optionsOrFn != undefined) {
|
|
throw new TypeError("Unexpected second argument to Deno.test()");
|
|
}
|
|
if (maybeFn != undefined) {
|
|
throw new TypeError("Unexpected third argument to Deno.test()");
|
|
}
|
|
testDef = {
|
|
...defaults,
|
|
fn: nameOrFnOrOptions,
|
|
name: nameOrFnOrOptions.name,
|
|
};
|
|
} else {
|
|
let fn;
|
|
let name;
|
|
if (typeof optionsOrFn === "function") {
|
|
fn = optionsOrFn;
|
|
if (nameOrFnOrOptions.fn != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'fn' field in options, test function is already provided as the second argument.",
|
|
);
|
|
}
|
|
name = nameOrFnOrOptions.name ?? fn.name;
|
|
} else {
|
|
if (
|
|
!nameOrFnOrOptions.fn || typeof nameOrFnOrOptions.fn !== "function"
|
|
) {
|
|
throw new TypeError(
|
|
"Expected 'fn' field in the first argument to be a test function.",
|
|
);
|
|
}
|
|
fn = nameOrFnOrOptions.fn;
|
|
name = nameOrFnOrOptions.name ?? fn.name;
|
|
}
|
|
if (!name) {
|
|
throw new TypeError("The test name can't be empty");
|
|
}
|
|
testDef = { ...defaults, ...nameOrFnOrOptions, fn, name };
|
|
}
|
|
|
|
testDef.fn = wrapTestFnWithSanitizers(testDef.fn, testDef);
|
|
|
|
if (testDef.permissions) {
|
|
testDef.fn = withPermissions(
|
|
testDef.fn,
|
|
testDef.permissions,
|
|
);
|
|
}
|
|
|
|
ArrayPrototypePush(tests, testDef);
|
|
}
|
|
|
|
// Main bench function provided by Deno.
|
|
function bench(
|
|
nameOrFnOrOptions,
|
|
optionsOrFn,
|
|
maybeFn,
|
|
) {
|
|
core.opSync("op_bench_check_unstable");
|
|
let benchDef;
|
|
const defaults = {
|
|
ignore: false,
|
|
only: false,
|
|
sanitizeOps: true,
|
|
sanitizeResources: true,
|
|
sanitizeExit: true,
|
|
permissions: null,
|
|
};
|
|
|
|
if (typeof nameOrFnOrOptions === "string") {
|
|
if (!nameOrFnOrOptions) {
|
|
throw new TypeError("The bench name can't be empty");
|
|
}
|
|
if (typeof optionsOrFn === "function") {
|
|
benchDef = { fn: optionsOrFn, name: nameOrFnOrOptions, ...defaults };
|
|
} else {
|
|
if (!maybeFn || typeof maybeFn !== "function") {
|
|
throw new TypeError("Missing bench function");
|
|
}
|
|
if (optionsOrFn.fn != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'fn' field in options, bench function is already provided as the third argument.",
|
|
);
|
|
}
|
|
if (optionsOrFn.name != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'name' field in options, bench name is already provided as the first argument.",
|
|
);
|
|
}
|
|
benchDef = {
|
|
...defaults,
|
|
...optionsOrFn,
|
|
fn: maybeFn,
|
|
name: nameOrFnOrOptions,
|
|
};
|
|
}
|
|
} else if (typeof nameOrFnOrOptions === "function") {
|
|
if (!nameOrFnOrOptions.name) {
|
|
throw new TypeError("The bench function must have a name");
|
|
}
|
|
if (optionsOrFn != undefined) {
|
|
throw new TypeError("Unexpected second argument to Deno.bench()");
|
|
}
|
|
if (maybeFn != undefined) {
|
|
throw new TypeError("Unexpected third argument to Deno.bench()");
|
|
}
|
|
benchDef = {
|
|
...defaults,
|
|
fn: nameOrFnOrOptions,
|
|
name: nameOrFnOrOptions.name,
|
|
};
|
|
} else {
|
|
let fn;
|
|
let name;
|
|
if (typeof optionsOrFn === "function") {
|
|
fn = optionsOrFn;
|
|
if (nameOrFnOrOptions.fn != undefined) {
|
|
throw new TypeError(
|
|
"Unexpected 'fn' field in options, bench function is already provided as the second argument.",
|
|
);
|
|
}
|
|
name = nameOrFnOrOptions.name ?? fn.name;
|
|
} else {
|
|
if (
|
|
!nameOrFnOrOptions.fn || typeof nameOrFnOrOptions.fn !== "function"
|
|
) {
|
|
throw new TypeError(
|
|
"Expected 'fn' field in the first argument to be a bench function.",
|
|
);
|
|
}
|
|
fn = nameOrFnOrOptions.fn;
|
|
name = nameOrFnOrOptions.name ?? fn.name;
|
|
}
|
|
if (!name) {
|
|
throw new TypeError("The bench name can't be empty");
|
|
}
|
|
benchDef = { ...defaults, ...nameOrFnOrOptions, fn, name };
|
|
}
|
|
|
|
const AsyncFunction = (async () => {}).constructor;
|
|
benchDef.async = AsyncFunction === benchDef.fn.constructor;
|
|
|
|
ArrayPrototypePush(benches, benchDef);
|
|
}
|
|
|
|
function formatError(error) {
|
|
if (ObjectPrototypeIsPrototypeOf(AggregateErrorPrototype, error)) {
|
|
const message = error
|
|
.errors
|
|
.map((error) =>
|
|
inspectArgs([error]).replace(/^(?!\s*$)/gm, " ".repeat(4))
|
|
)
|
|
.join("\n");
|
|
|
|
return error.name + "\n" + message + error.stack;
|
|
}
|
|
|
|
return inspectArgs([error]);
|
|
}
|
|
|
|
/**
|
|
* @param {string | { include?: string[], exclude?: string[] }} filter
|
|
* @returns {(def: { name: string }) => boolean}
|
|
*/
|
|
function createTestFilter(filter) {
|
|
if (!filter) {
|
|
return () => true;
|
|
}
|
|
|
|
const regex =
|
|
typeof filter === "string" && StringPrototypeStartsWith(filter, "/") &&
|
|
StringPrototypeEndsWith(filter, "/")
|
|
? new RegExp(StringPrototypeSlice(filter, 1, filter.length - 1))
|
|
: undefined;
|
|
|
|
const filterIsObject = filter != null && typeof filter === "object";
|
|
|
|
return (def) => {
|
|
if (regex) {
|
|
return RegExpPrototypeTest(regex, def.name);
|
|
}
|
|
if (filterIsObject) {
|
|
if (filter.include && !filter.include.includes(def.name)) {
|
|
return false;
|
|
} else if (filter.exclude && filter.exclude.includes(def.name)) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
return StringPrototypeIncludes(def.name, filter);
|
|
};
|
|
}
|
|
|
|
async function runTest(test, description) {
|
|
if (test.ignore) {
|
|
return "ignored";
|
|
}
|
|
|
|
const step = new TestStep({
|
|
name: test.name,
|
|
parent: undefined,
|
|
parentContext: undefined,
|
|
rootTestDescription: description,
|
|
sanitizeOps: test.sanitizeOps,
|
|
sanitizeResources: test.sanitizeResources,
|
|
sanitizeExit: test.sanitizeExit,
|
|
});
|
|
|
|
try {
|
|
await test.fn(step);
|
|
const failCount = step.failedChildStepsCount();
|
|
return failCount === 0 ? "ok" : {
|
|
"failed": core.destructureError(
|
|
new Error(
|
|
`${failCount} test step${failCount === 1 ? "" : "s"} failed.`,
|
|
),
|
|
),
|
|
};
|
|
} catch (error) {
|
|
return {
|
|
"failed": core.destructureError(error),
|
|
};
|
|
} finally {
|
|
step.finalized = true;
|
|
// ensure the children report their result
|
|
for (const child of step.children) {
|
|
child.reportResult();
|
|
}
|
|
}
|
|
}
|
|
|
|
function compareMeasurements(a, b) {
|
|
if (a > b) return 1;
|
|
if (a < b) return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
function benchStats(n, highPrecision, avg, min, max, all) {
|
|
return {
|
|
n,
|
|
min,
|
|
max,
|
|
p75: all[MathCeil(n * (75 / 100)) - 1],
|
|
p99: all[MathCeil(n * (99 / 100)) - 1],
|
|
p995: all[MathCeil(n * (99.5 / 100)) - 1],
|
|
p999: all[MathCeil(n * (99.9 / 100)) - 1],
|
|
avg: !highPrecision ? (avg / n) : MathCeil(avg / n),
|
|
};
|
|
}
|
|
|
|
async function benchMeasure(timeBudget, fn, step, sync) {
|
|
let n = 0;
|
|
let avg = 0;
|
|
let wavg = 0;
|
|
const all = [];
|
|
let min = Infinity;
|
|
let max = -Infinity;
|
|
const lowPrecisionThresholdInNs = 1e4;
|
|
|
|
// warmup step
|
|
let c = 0;
|
|
step.warmup = true;
|
|
let iterations = 20;
|
|
let budget = 10 * 1e6;
|
|
|
|
if (sync) {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
|
|
fn();
|
|
const iterationTime = benchNow() - t1;
|
|
|
|
c++;
|
|
wavg += iterationTime;
|
|
budget -= iterationTime;
|
|
}
|
|
} else {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
|
|
await fn();
|
|
const iterationTime = benchNow() - t1;
|
|
|
|
c++;
|
|
wavg += iterationTime;
|
|
budget -= iterationTime;
|
|
}
|
|
}
|
|
|
|
wavg /= c;
|
|
|
|
// measure step
|
|
step.warmup = false;
|
|
|
|
if (wavg > lowPrecisionThresholdInNs) {
|
|
let iterations = 10;
|
|
let budget = timeBudget * 1e6;
|
|
|
|
if (sync) {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
|
|
fn();
|
|
const iterationTime = benchNow() - t1;
|
|
|
|
n++;
|
|
avg += iterationTime;
|
|
budget -= iterationTime;
|
|
all.push(iterationTime);
|
|
if (iterationTime < min) min = iterationTime;
|
|
if (iterationTime > max) max = iterationTime;
|
|
}
|
|
} else {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
|
|
await fn();
|
|
const iterationTime = benchNow() - t1;
|
|
|
|
n++;
|
|
avg += iterationTime;
|
|
budget -= iterationTime;
|
|
all.push(iterationTime);
|
|
if (iterationTime < min) min = iterationTime;
|
|
if (iterationTime > max) max = iterationTime;
|
|
}
|
|
}
|
|
} else {
|
|
let iterations = 10;
|
|
let budget = timeBudget * 1e6;
|
|
|
|
if (sync) {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
for (let c = 0; c < lowPrecisionThresholdInNs; c++) fn();
|
|
const iterationTime = (benchNow() - t1) / lowPrecisionThresholdInNs;
|
|
|
|
n++;
|
|
avg += iterationTime;
|
|
all.push(iterationTime);
|
|
if (iterationTime < min) min = iterationTime;
|
|
if (iterationTime > max) max = iterationTime;
|
|
budget -= iterationTime * lowPrecisionThresholdInNs;
|
|
}
|
|
} else {
|
|
while (budget > 0 || iterations-- > 0) {
|
|
const t1 = benchNow();
|
|
for (let c = 0; c < lowPrecisionThresholdInNs; c++) await fn();
|
|
const iterationTime = (benchNow() - t1) / lowPrecisionThresholdInNs;
|
|
|
|
n++;
|
|
avg += iterationTime;
|
|
all.push(iterationTime);
|
|
if (iterationTime < min) min = iterationTime;
|
|
if (iterationTime > max) max = iterationTime;
|
|
budget -= iterationTime * lowPrecisionThresholdInNs;
|
|
}
|
|
}
|
|
}
|
|
|
|
all.sort(compareMeasurements);
|
|
return benchStats(n, wavg > lowPrecisionThresholdInNs, avg, min, max, all);
|
|
}
|
|
|
|
async function runBench(bench) {
|
|
const step = new BenchStep({
|
|
name: bench.name,
|
|
sanitizeExit: bench.sanitizeExit,
|
|
warmup: false,
|
|
});
|
|
|
|
let token = null;
|
|
|
|
try {
|
|
if (bench.permissions) {
|
|
token = pledgePermissions(bench.permissions);
|
|
}
|
|
|
|
if (bench.sanitizeExit) {
|
|
setExitHandler((exitCode) => {
|
|
assert(
|
|
false,
|
|
`Bench attempted to exit with exit code: ${exitCode}`,
|
|
);
|
|
});
|
|
}
|
|
|
|
const benchTimeInMs = 500;
|
|
const fn = bench.fn.bind(null, step);
|
|
const stats = await benchMeasure(benchTimeInMs, fn, step, !bench.async);
|
|
|
|
return { ok: { stats, ...bench } };
|
|
} catch (error) {
|
|
return { failed: { ...bench, error: formatError(error) } };
|
|
} finally {
|
|
if (bench.sanitizeExit) setExitHandler(null);
|
|
if (token !== null) restorePermissions(token);
|
|
}
|
|
}
|
|
|
|
function getTestOrigin() {
|
|
return core.opSync("op_get_test_origin");
|
|
}
|
|
|
|
function getBenchOrigin() {
|
|
return core.opSync("op_get_bench_origin");
|
|
}
|
|
|
|
function reportTestPlan(plan) {
|
|
core.opSync("op_dispatch_test_event", {
|
|
plan,
|
|
});
|
|
}
|
|
|
|
function reportTestWait(test) {
|
|
core.opSync("op_dispatch_test_event", {
|
|
wait: test,
|
|
});
|
|
}
|
|
|
|
function reportTestResult(test, result, elapsed) {
|
|
core.opSync("op_dispatch_test_event", {
|
|
result: [test, result, elapsed],
|
|
});
|
|
}
|
|
|
|
function reportTestStepWait(testDescription) {
|
|
core.opSync("op_dispatch_test_event", {
|
|
stepWait: testDescription,
|
|
});
|
|
}
|
|
|
|
function reportTestStepResult(testDescription, result, elapsed) {
|
|
core.opSync("op_dispatch_test_event", {
|
|
stepResult: [testDescription, result, elapsed],
|
|
});
|
|
}
|
|
|
|
function reportBenchPlan(plan) {
|
|
core.opSync("op_dispatch_bench_event", {
|
|
plan,
|
|
});
|
|
}
|
|
|
|
function reportBenchConsoleOutput(console) {
|
|
core.opSync("op_dispatch_bench_event", {
|
|
output: { console },
|
|
});
|
|
}
|
|
|
|
function reportBenchWait(description) {
|
|
core.opSync("op_dispatch_bench_event", {
|
|
wait: description,
|
|
});
|
|
}
|
|
|
|
function reportBenchResult(origin, result) {
|
|
core.opSync("op_dispatch_bench_event", {
|
|
result: [origin, result],
|
|
});
|
|
}
|
|
|
|
function benchNow() {
|
|
return core.opSync("op_bench_now");
|
|
}
|
|
|
|
async function runTests({
|
|
filter = null,
|
|
shuffle = null,
|
|
} = {}) {
|
|
core.setMacrotaskCallback(handleOpSanitizerDelayMacrotask);
|
|
|
|
const origin = getTestOrigin();
|
|
|
|
const only = ArrayPrototypeFilter(tests, (test) => test.only);
|
|
const filtered = ArrayPrototypeFilter(
|
|
only.length > 0 ? only : tests,
|
|
createTestFilter(filter),
|
|
);
|
|
|
|
reportTestPlan({
|
|
origin,
|
|
total: filtered.length,
|
|
filteredOut: tests.length - filtered.length,
|
|
usedOnly: only.length > 0,
|
|
});
|
|
|
|
if (shuffle !== null) {
|
|
// http://en.wikipedia.org/wiki/Linear_congruential_generator
|
|
const nextInt = (function (state) {
|
|
const m = 0x80000000;
|
|
const a = 1103515245;
|
|
const c = 12345;
|
|
|
|
return function (max) {
|
|
return state = ((a * state + c) % m) % max;
|
|
};
|
|
}(shuffle));
|
|
|
|
for (let i = filtered.length - 1; i > 0; i--) {
|
|
const j = nextInt(i);
|
|
[filtered[i], filtered[j]] = [filtered[j], filtered[i]];
|
|
}
|
|
}
|
|
|
|
for (const test of filtered) {
|
|
const description = {
|
|
origin,
|
|
name: test.name,
|
|
};
|
|
const earlier = DateNow();
|
|
|
|
reportTestWait(description);
|
|
|
|
const result = await runTest(test, description);
|
|
const elapsed = DateNow() - earlier;
|
|
|
|
reportTestResult(description, result, elapsed);
|
|
}
|
|
}
|
|
|
|
async function runBenchmarks({
|
|
filter = null,
|
|
} = {}) {
|
|
core.setMacrotaskCallback(handleOpSanitizerDelayMacrotask);
|
|
|
|
const origin = getBenchOrigin();
|
|
const originalConsole = globalThis.console;
|
|
|
|
globalThis.console = new Console(reportBenchConsoleOutput);
|
|
|
|
const only = ArrayPrototypeFilter(benches, (bench) => bench.only);
|
|
const filtered = ArrayPrototypeFilter(
|
|
only.length > 0 ? only : benches,
|
|
createTestFilter(filter),
|
|
);
|
|
|
|
let groups = new Set();
|
|
const benchmarks = ArrayPrototypeFilter(filtered, (bench) => !bench.ignore);
|
|
|
|
// make sure ungrouped benchmarks are placed above grouped
|
|
groups.add(undefined);
|
|
|
|
for (const bench of benchmarks) {
|
|
bench.group ||= undefined;
|
|
groups.add(bench.group);
|
|
}
|
|
|
|
groups = ArrayFrom(groups);
|
|
ArrayPrototypeSort(
|
|
benchmarks,
|
|
(a, b) => groups.indexOf(a.group) - groups.indexOf(b.group),
|
|
);
|
|
|
|
reportBenchPlan({
|
|
origin,
|
|
total: benchmarks.length,
|
|
usedOnly: only.length > 0,
|
|
names: ArrayPrototypeMap(benchmarks, (bench) => bench.name),
|
|
});
|
|
|
|
for (const bench of benchmarks) {
|
|
bench.baseline = !!bench.baseline;
|
|
reportBenchWait({ origin, ...bench });
|
|
reportBenchResult(origin, await runBench(bench));
|
|
}
|
|
|
|
globalThis.console = originalConsole;
|
|
}
|
|
|
|
/**
|
|
* @typedef {{
|
|
* fn: (t: TestContext) => void | Promise<void>,
|
|
* name: string,
|
|
* ignore?: boolean,
|
|
* sanitizeOps?: boolean,
|
|
* sanitizeResources?: boolean,
|
|
* sanitizeExit?: boolean,
|
|
* }} TestStepDefinition
|
|
*
|
|
* @typedef {{
|
|
* name: string,
|
|
* parent: TestStep | undefined,
|
|
* parentContext: TestContext | undefined,
|
|
* rootTestDescription: { origin: string; name: string };
|
|
* sanitizeOps: boolean,
|
|
* sanitizeResources: boolean,
|
|
* sanitizeExit: boolean,
|
|
* }} TestStepParams
|
|
*/
|
|
|
|
class TestStep {
|
|
/** @type {TestStepParams} */
|
|
#params;
|
|
reportedWait = false;
|
|
#reportedResult = false;
|
|
finalized = false;
|
|
elapsed = 0;
|
|
/** @type "ok" | "ignored" | "pending" | "failed" */
|
|
status = "pending";
|
|
error = undefined;
|
|
/** @type {TestStep[]} */
|
|
children = [];
|
|
|
|
/** @param params {TestStepParams} */
|
|
constructor(params) {
|
|
this.#params = params;
|
|
}
|
|
|
|
get name() {
|
|
return this.#params.name;
|
|
}
|
|
|
|
get parent() {
|
|
return this.#params.parent;
|
|
}
|
|
|
|
get parentContext() {
|
|
return this.#params.parentContext;
|
|
}
|
|
|
|
get rootTestDescription() {
|
|
return this.#params.rootTestDescription;
|
|
}
|
|
|
|
get sanitizerOptions() {
|
|
return {
|
|
sanitizeResources: this.#params.sanitizeResources,
|
|
sanitizeOps: this.#params.sanitizeOps,
|
|
sanitizeExit: this.#params.sanitizeExit,
|
|
};
|
|
}
|
|
|
|
get usesSanitizer() {
|
|
return this.#params.sanitizeResources ||
|
|
this.#params.sanitizeOps ||
|
|
this.#params.sanitizeExit;
|
|
}
|
|
|
|
/** If a test validation error already occurred then don't bother checking
|
|
* the sanitizers as that will create extra noise.
|
|
*/
|
|
get shouldSkipSanitizers() {
|
|
return this.hasRunningChildren || this.parent?.finalized;
|
|
}
|
|
|
|
get hasRunningChildren() {
|
|
return ArrayPrototypeSome(
|
|
this.children,
|
|
/** @param step {TestStep} */
|
|
(step) => step.status === "pending",
|
|
);
|
|
}
|
|
|
|
failedChildStepsCount() {
|
|
return ArrayPrototypeFilter(
|
|
this.children,
|
|
/** @param step {TestStep} */
|
|
(step) => step.status === "failed",
|
|
).length;
|
|
}
|
|
|
|
canStreamReporting() {
|
|
// there should only ever be one sub step running when running with
|
|
// sanitizers, so we can use this to tell if we can stream reporting
|
|
return this.selfAndAllAncestorsUseSanitizer() &&
|
|
this.children.every((c) => c.usesSanitizer || c.finalized);
|
|
}
|
|
|
|
selfAndAllAncestorsUseSanitizer() {
|
|
if (!this.usesSanitizer) {
|
|
return false;
|
|
}
|
|
|
|
for (const ancestor of this.ancestors()) {
|
|
if (!ancestor.usesSanitizer) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
*ancestors() {
|
|
let ancestor = this.parent;
|
|
while (ancestor) {
|
|
yield ancestor;
|
|
ancestor = ancestor.parent;
|
|
}
|
|
}
|
|
|
|
getFullName() {
|
|
if (this.parent) {
|
|
return `${this.parent.getFullName()} > ${this.name}`;
|
|
} else {
|
|
return this.name;
|
|
}
|
|
}
|
|
|
|
reportWait() {
|
|
if (this.reportedWait || !this.parent) {
|
|
return;
|
|
}
|
|
|
|
reportTestStepWait(this.#getTestStepDescription());
|
|
|
|
this.reportedWait = true;
|
|
}
|
|
|
|
reportResult() {
|
|
if (this.#reportedResult || !this.parent) {
|
|
return;
|
|
}
|
|
|
|
this.reportWait();
|
|
|
|
for (const child of this.children) {
|
|
child.reportResult();
|
|
}
|
|
|
|
reportTestStepResult(
|
|
this.#getTestStepDescription(),
|
|
this.#getStepResult(),
|
|
this.elapsed,
|
|
);
|
|
|
|
this.#reportedResult = true;
|
|
}
|
|
|
|
#getStepResult() {
|
|
switch (this.status) {
|
|
case "ok":
|
|
return "ok";
|
|
case "ignored":
|
|
return "ignored";
|
|
case "pending":
|
|
return {
|
|
"pending": this.error && core.destructureError(this.error),
|
|
};
|
|
case "failed":
|
|
return {
|
|
"failed": this.error && core.destructureError(this.error),
|
|
};
|
|
default:
|
|
throw new Error(`Unhandled status: ${this.status}`);
|
|
}
|
|
}
|
|
|
|
#getTestStepDescription() {
|
|
return {
|
|
test: this.rootTestDescription,
|
|
name: this.name,
|
|
level: this.#getLevel(),
|
|
};
|
|
}
|
|
|
|
#getLevel() {
|
|
let count = 0;
|
|
for (const _ of this.ancestors()) {
|
|
count++;
|
|
}
|
|
return count;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @typedef {{
|
|
* name: string;
|
|
* sanitizeExit: boolean,
|
|
* warmup: boolean,
|
|
* }} BenchStepParams
|
|
*/
|
|
class BenchStep {
|
|
/** @type {BenchStepParams} */
|
|
#params;
|
|
|
|
/** @param params {BenchStepParams} */
|
|
constructor(params) {
|
|
this.#params = params;
|
|
}
|
|
|
|
get name() {
|
|
return this.#params.name;
|
|
}
|
|
}
|
|
|
|
/** @param parentStep {TestStep} */
|
|
function createTestContext(parentStep) {
|
|
return {
|
|
[SymbolToStringTag]: "TestContext",
|
|
/**
|
|
* The current test name.
|
|
*/
|
|
name: parentStep.name,
|
|
/**
|
|
* Parent test context.
|
|
*/
|
|
parent: parentStep.parentContext ?? undefined,
|
|
/**
|
|
* File Uri of the test code.
|
|
*/
|
|
origin: parentStep.rootTestDescription.origin,
|
|
/**
|
|
* @param nameOrTestDefinition {string | TestStepDefinition}
|
|
* @param fn {(t: TestContext) => void | Promise<void>}
|
|
*/
|
|
async step(nameOrTestDefinition, fn) {
|
|
if (parentStep.finalized) {
|
|
throw new Error(
|
|
"Cannot run test step after parent scope has finished execution. " +
|
|
"Ensure any `.step(...)` calls are executed before their parent scope completes execution.",
|
|
);
|
|
}
|
|
|
|
const definition = getDefinition();
|
|
const subStep = new TestStep({
|
|
name: definition.name,
|
|
parent: parentStep,
|
|
parentContext: this,
|
|
rootTestDescription: parentStep.rootTestDescription,
|
|
sanitizeOps: getOrDefault(
|
|
definition.sanitizeOps,
|
|
parentStep.sanitizerOptions.sanitizeOps,
|
|
),
|
|
sanitizeResources: getOrDefault(
|
|
definition.sanitizeResources,
|
|
parentStep.sanitizerOptions.sanitizeResources,
|
|
),
|
|
sanitizeExit: getOrDefault(
|
|
definition.sanitizeExit,
|
|
parentStep.sanitizerOptions.sanitizeExit,
|
|
),
|
|
});
|
|
|
|
ArrayPrototypePush(parentStep.children, subStep);
|
|
|
|
try {
|
|
if (definition.ignore) {
|
|
subStep.status = "ignored";
|
|
subStep.finalized = true;
|
|
if (subStep.canStreamReporting()) {
|
|
subStep.reportResult();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const testFn = wrapTestFnWithSanitizers(
|
|
definition.fn,
|
|
subStep.sanitizerOptions,
|
|
);
|
|
const start = DateNow();
|
|
|
|
try {
|
|
await testFn(subStep);
|
|
|
|
if (subStep.failedChildStepsCount() > 0) {
|
|
subStep.status = "failed";
|
|
} else {
|
|
subStep.status = "ok";
|
|
}
|
|
} catch (error) {
|
|
subStep.error = error;
|
|
subStep.status = "failed";
|
|
}
|
|
|
|
subStep.elapsed = DateNow() - start;
|
|
|
|
if (subStep.parent?.finalized) {
|
|
// always point this test out as one that was still running
|
|
// if the parent step finalized
|
|
subStep.status = "pending";
|
|
}
|
|
|
|
subStep.finalized = true;
|
|
|
|
if (subStep.reportedWait && subStep.canStreamReporting()) {
|
|
subStep.reportResult();
|
|
}
|
|
|
|
return subStep.status === "ok";
|
|
} finally {
|
|
if (parentStep.canStreamReporting()) {
|
|
// flush any buffered steps
|
|
for (const parentChild of parentStep.children) {
|
|
parentChild.reportResult();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @returns {TestStepDefinition} */
|
|
function getDefinition() {
|
|
if (typeof nameOrTestDefinition === "string") {
|
|
if (!(ObjectPrototypeIsPrototypeOf(FunctionPrototype, fn))) {
|
|
throw new TypeError("Expected function for second argument.");
|
|
}
|
|
return {
|
|
name: nameOrTestDefinition,
|
|
fn,
|
|
};
|
|
} else if (typeof nameOrTestDefinition === "object") {
|
|
return nameOrTestDefinition;
|
|
} else {
|
|
throw new TypeError(
|
|
"Expected a test definition or name and function.",
|
|
);
|
|
}
|
|
}
|
|
},
|
|
};
|
|
}
|
|
|
|
/**
|
|
* @template T {Function}
|
|
* @param testFn {T}
|
|
* @param opts {{
|
|
* sanitizeOps: boolean,
|
|
* sanitizeResources: boolean,
|
|
* sanitizeExit: boolean,
|
|
* }}
|
|
* @returns {T}
|
|
*/
|
|
function wrapTestFnWithSanitizers(testFn, opts) {
|
|
testFn = assertTestStepScopes(testFn);
|
|
|
|
if (opts.sanitizeOps) {
|
|
testFn = assertOps(testFn);
|
|
}
|
|
if (opts.sanitizeResources) {
|
|
testFn = assertResources(testFn);
|
|
}
|
|
if (opts.sanitizeExit) {
|
|
testFn = assertExit(testFn, true);
|
|
}
|
|
return testFn;
|
|
}
|
|
|
|
/**
|
|
* @template T
|
|
* @param value {T | undefined}
|
|
* @param defaultValue {T}
|
|
* @returns T
|
|
*/
|
|
function getOrDefault(value, defaultValue) {
|
|
return value == null ? defaultValue : value;
|
|
}
|
|
|
|
window.__bootstrap.internals = {
|
|
...window.__bootstrap.internals ?? {},
|
|
runTests,
|
|
runBenchmarks,
|
|
};
|
|
|
|
window.__bootstrap.testing = {
|
|
test,
|
|
bench,
|
|
};
|
|
})(this);
|